The Functional Mockup Interface (FMI) is a tool independent standard for the exchange of dynamic models and for co simulation. The first version; FMI 1.0; was published in 2010. Already more than 30 tools support FMI 1.0. In this paper an overview about the recently published version 2.0 of FMI is given that combines the formerly separated interfaces for Model Exchange and Co-Simulation in one standard. Based on the experience on using FMI 1.0; many small details have been improved and new features ease the usability and increase the performance especially for larger models. Additionally; a free FMI compliance checker will become soon available and FMI models from different tools are made available on the web to simplify testing.

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